Set snapshot version to 13

jvz · jvz · commit 86e8958dc96c · 2021-12-23T15:06:33.000-06:00
diff --git a/version.sbt b/version.sbt
@@ -1 +1 @@
-ThisBuild / version := "12.1-SNAPSHOT"
+ThisBuild / version := "13.0-SNAPSHOT"
